package com.xupt.dao.impl;

import com.xupt.dao.BookDao;
import com.xupt.pojo.Book;

import java.util.List;

/**
 * @author Wnlife
 * @create 2020-03-25 16:07
 */
public class BookDaoImpl extends BaseDao implements BookDao {
    @Override
    public int addBook(Book book) {
        String sql="insert into t_book(`name` , `author` , `price` , `sales` , `stock` , `img_path`) values(?,?,?,?,?,?)";
        return update(sql,book.getName(),book.getAuthor(),book.getPrice(),book.getSales(),book.getStock(),book.getImgPath());
    }

    @Override
    public int deleteBook(Integer id) {
        String sql="delete from t_book where id = ?";
        return update(sql,id);
    }

    @Override
    public int updateBook(Book book) {
        String sql="update t_book set name=?,author=?,price=?,sales=?,stock=?,img_path=? where id=? ";
        return update(sql,book.getName(),book.getAuthor(),book.getPrice(),book.getSales(),book.getStock(),book.getImgPath(),book.getId());
    }

    @Override
    public Book queryBookById(Integer id) {
        String sql="select * from t_book where id=?";
        return queryForOne(Book.class,sql,id);
    }

    @Override
    public List<Book> queryBooks() {
        String sql="select * from t_book";
        return queryForList(Book.class,sql);
    }

    @Override
    public Integer queryForPageTotalCount() {
        String sql="select count(*) from t_book";
        Number number = (Number) queryForSingleValue(sql);
        return number.intValue();
    }

    @Override
    public List<Book> queryBookItems(int begin, int pageSize) {
        String sql="select * from t_book limit ?,?";
        return queryForList(Book.class,sql,begin,pageSize);
    }

    @Override
    public Integer queryForPageTotalCountByPrice(int min, int max) {
        String sql="select count(*) from t_book where price between ? and ?";
        Number number = (Number) queryForSingleValue(sql,min,max);
        return number.intValue();
    }

    @Override
    public List<Book> queryBookItemsByPrice(int begin, int pageSize, int min, int max) {
        String sql="select * from t_book where price between ? and ? order by price limit ?,?";
        return queryForList(Book.class,sql,min,max,begin,pageSize);
    }

}
